Wake Lock API implementation (Blink part)

Source/core/dom/WakeLockController.h

Index: Source/core/dom/WakeLockController.h
diff --git a/Source/core/dom/WakeLockController.h b/Source/core/dom/WakeLockController.h
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index 0000000000000000000000000000000000000000..f9cf01061b3417eeca495427addab1161dda9d11
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+++ b/Source/core/dom/WakeLockController.h
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+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WakeLockController_h
+#define WakeLockController_h
+
+#include "core/frame/LocalFrame.h"
+
+namespace blink {
+
+class WebWakeLockClient;
+
+class WakeLockController final
+    : public NoBaseWillBeGarbageCollected<WakeLockController>
+    , public WillBeHeapSupplement<LocalFrame> {
+    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(WakeLockController);
+    WTF_MAKE_NONCOPYABLE(WakeLockController);
+public:
+    static PassOwnPtrWillBeRawPtr<WakeLockController> create(LocalFrame&, WebWakeLockClient*);
+
+    void requestKeepScreenAwake(bool);
+
+    static const char* supplementName();
+    static WakeLockController* from(LocalFrame*);
+    static void provideTo(LocalFrame&, WebWakeLockClient*);
+
+private:
+    WakeLockController(LocalFrame&, WebWakeLockClient*);
+
+    WebWakeLockClient* m_client;
+};
+
+} // namespace blink
+
+#endif // WakeLockController